| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 706 |
35.5%
|
| 2 | Once | 8 |
0.4%
|
| 3 | More than once | 5 |
0.3%
|
| 4 | Not applicable | 1266 |
63.7%
|
| Sysmiss | 3 |